Welding machine tool clamp

Abstract

The utility model discloses a welding machine tool clamp, and relates to the technical field of machine tool clamps. The device comprises a mounting plate, four mounting holes are formed in the top of the mounting plate, two C-shaped frames are arranged at the top of the mounting plate, a rotatable cross rod is movably mounted in each C-shaped frame, and the two cross rods are rotatably connected in an up-down cross mode. The top of the mounting plate is provided with a driving assembly used for driving the two C-shaped frames to get away from or get close to each other. Each movable plate drives the corresponding second sliding block connected with the movable plate to slide in the corresponding second sliding groove, the side edges of the two movable plates are made to make contact with each other, then a triangular structure weldment needing to be welded is placed between the two movable plates, the two side faces of the triangular structure weldment are attached to the two movable plates respectively, and then the triangular structure weldment is welded. And then the electric telescopic rod is started, the electric telescopic rod drives the extrusion plate to approach the triangular structure weldment to extrude the triangular structure weldment, and then fixing is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool fixtures, in particular to a welding machine tool fixture. Background Art

[0002] A fixture is a process equipment for clamping workpieces. It is widely used in cutting, heat treatment, assembly, welding and testing processes in the mechanical manufacturing process. Among them, welding machine tool fixtures are process equipment that accurately locate and reliably clamp weldments, facilitate assembly and welding of weldments, and ensure the requirements of weldment structure accuracy. Actively promoting and using tooling fixtures that are compatible with product structures in modern welding production can improve product quality and reduce the labor intensity of workers.

[0003] However, the existing welding machine tool fixtures still have certain limitations during use. For example, when clamping triangular structure weldments, the current triangular structure weldment fixtures are usually squeezed and fixed from different sides, which makes the operation process cumbersome and inconvenient for the staff to accurately find the appropriate position for the weldment. It is necessary to slowly adjust during the clamping process, which is time-consuming and laborious. Therefore, a welding machine tool fixture is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing welding machine tool clamps usually squeeze and fix the triangular structure weldments from different sides, which makes the operation process cumbersome and inconvenient for the staff to accurately find the appropriate position for placing the weldments. The utility model provides a welding machine tool clamp.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0006] A welding machine tool fixture comprises a mounting plate, four mounting holes are provided on the top of the mounting plate, two C-shaped frames are arranged on the top of the mounting plate, a rotatable cross rod is movably installed inside each C-shaped frame, the two cross rods are rotatably connected in an up-and-down cross manner, a driving assembly for driving the two C-shaped frames to move away from or towards each other is arranged on the top of the mounting plate, a slide groove 2 is provided on the inner wall surface of one end of each cross rod away from the adjacent C-shaped frame, a slider 2 is movably installed inside each slide groove 2, a movable plate is fixedly installed on each slider 2, an electric telescopic rod is arranged on the top of the mounting plate, and an extrusion plate is arranged on the output end of the electric telescopic rod.

[0007] Furthermore, the bottom of each movable plate is tightly fitted with the top of the mounting plate, and the top of each movable plate corresponds to the top of the upper cross bar.

[0008] Furthermore, the driving assembly includes a servo motor, a servo motor is fixedly installed on the top of the mounting plate, a threaded rod is fixedly installed on the output end of the servo motor, the threads at both ends of the threaded rod are in opposite directions, and movable blocks are respectively threadedly connected at both ends of the threaded rod, a slide groove is provided on the top of the mounting plate, a slider is fixedly installed on the bottom of each movable block, and each slider is movably installed inside the slide groove.

[0009] Furthermore, each of the cross rods is provided with a strip hole 1 on the outer wall surface of one end away from the adjacent C-shaped frame, and a screw rod 1 is arranged inside each strip hole 1. Each screw rod 1 is fixedly connected to the adjacent slider 2, and a nut 1 is threadedly connected to each screw rod 1.

[0010] Furthermore, a fixing ring 1 is fixedly installed at the output end of the electric telescopic rod, and two fixing rings 2 are fixedly installed on the side of the extrusion plate close to the electric telescopic rod. Bolts are commonly arranged inside the two fixing rings 2 and the fixing ring 1, and nuts 2 are threadedly connected to the bolts.

[0011] Furthermore, a groove is provided on the top of the mounting plate, a sliding rod is movably installed inside the groove, the sliding rod is fixedly connected to the electric telescopic rod, a strip hole two is provided on the side wall of the mounting plate, the strip hole two is connected to the inside of the groove, a screw rod two is arranged inside the strip hole two, the screw rod two is fixedly connected to the sliding rod, and a nut three is threadedly connected to the screw rod two.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. If the utility model needs to clamp triangular structural weldments with different inner angles, the staff only needs to control the driving component in advance, and make the two C-shaped frames approach or move away from each other through the driving component. At this time, the two cross rods will be affected by the force and rotate inside the corresponding C-shaped frames respectively. At the same time, the crossing angle of the two cross rods will also increase or decrease accordingly. When the crossing angle of the two cross rods is the same as one of the inner angles of the triangular structural weldment, the work can be stopped, and then the two movable plates are moved respectively, and each movable plate drives the slider 2 connected to it to slide inside the corresponding slide groove 2, so that the side edges of the two movable plates are in contact, and then the triangular structural weldment to be welded is placed between the two movable plates, and the two side surfaces of the triangular structural weldment are respectively fitted with the two movable plates, and then the electric telescopic rod is started, and the electric telescopic rod drives the extrusion plate to approach the triangular structural weldment and squeeze it, so that the fixation is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This utility model Figure 1 The enlarged view of point A in the middle;

[0016] Figure 3 This utility model Figure 1 The enlarged view of point B in the middle;

[0017] Figure 4 This utility model Figure 1 Enlarged view of point C in the middle;

[0018] Figure numerals: 1. mounting plate; 2. mounting hole; 3. C-shaped frame; 4. cross rod; 5. drive assembly; 501. servo motor; 502. threaded rod; 503. movable block; 504. slide groove one; 505. slider one; 6. slide groove two; 7. slider two; 8. movable plate; 9. strip hole one; 10. screw rod one; 11. nut one; 12. electric telescopic rod; 13. extrusion plate; 14. fixing ring one; 15. fixing ring two; 16. bolt; 17. nut two; 18. groove; 19. slide rod; 20. strip hole two; 21. screw rod two; 22. nut three. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] like Figures 1 to 3 As shown, a welding machine tool fixture comprises a mounting plate 1, four mounting holes 2 are provided on the top of the mounting plate 1, two C-shaped frames 3 are arranged on the top of the mounting plate 1, a rotatable cross rod 4 is movably installed inside each C-shaped frame 3, the two cross rods 4 are rotatably connected in an up-down cross manner, a driving assembly 5 for driving the two C-shaped frames 3 to move away from or towards each other is arranged on the top of the mounting plate 1, a slide groove 2 6 is provided on the inner wall surface of one end of each cross rod 4 away from the adjacent C-shaped frame 3, a slider 2 7 is movably installed inside each slide groove 2 6, a movable plate 8 is fixedly installed on each slider 2 7, an electric telescopic rod 12 is arranged on the top of the mounting plate 1, and an extrusion plate 13 is arranged on the output end of the electric telescopic rod 12. It should be noted that if it is necessary to clamp triangular structure weldments with different inner angles, the staff only needs to control the driving assembly in advance 5. The two C-shaped frames 3 are moved closer to or farther away from each other by the driving assembly 5. At this time, the two cross rods 4 are affected by the force and will rotate inside the corresponding C-shaped frames 3 respectively. At the same time, the crossing angles of the two cross rods 4 will also increase or decrease accordingly. When the crossing angle of the two cross rods 4 is the same as one of the inner angles of the triangular structure weldment, the stop can be performed. Then, the two movable plates 8 are moved respectively. Each movable plate 8 drives the slider 2 7 connected to itself to slide inside the corresponding slide groove 2 6, so that the side edges of the two movable plates 8 are in contact with each other. Then, the triangular structure weldment to be welded is placed between the two movable plates 8, and the two side surfaces of the triangular structure weldment are respectively fitted with the two movable plates 8. Then, the electric telescopic rod 12 is started. The electric telescopic rod 12 drives the extrusion plate 13 to approach the triangular structure weldment and squeeze it, so that the fixation is completed.

[0024] like Figure 1 As shown, the bottom of each movable plate 8 fits tightly with the top of the mounting plate 1, and the top of each movable plate 8 corresponds to the top of the upper cross rod 4. It should be noted that when the triangular structure weldment is placed between the two movable plates 8, the two side surfaces of the triangular structure weldment can fit with the two movable plates 8 respectively.

[0025] like Figure 1As shown, the driving component 5 includes a servo motor 501, a servo motor 501 is fixedly installed on the top of the mounting plate 1, a threaded rod 502 is fixedly installed on the output end of the servo motor 501, the threads of the two ends of the threaded rod 502 are in opposite directions, and the two ends of the threaded rod 502 are respectively threadedly connected with movable blocks 503, a slide groove 504 is provided on the top of the mounting plate 1, a slider 505 is fixedly installed on the bottom of each movable block 503, and each slider 505 is movably installed inside the slide groove 504. It should be noted that the servo motor 501 can drive the threaded rod 502 to reciprocate when started, so that the two movable blocks 503 are close to or away from each other, and each movable block 503 will drive the C-shaped frame 3 and the slider 505 connected to it to move synchronously when moving.

[0026] like Figure 1 , Figure 2 As shown, a strip hole 9 is formed on the outer wall surface of one end of each cross rod 4 away from the adjacent C-shaped frame 3, and a screw rod 10 is arranged inside each strip hole 9. Each screw rod 10 is fixedly connected to the adjacent slider 2 7, and a nut 11 is threadedly connected to each screw rod 10. It should be noted that when the movable plate 8 moves to a suitable position, the corresponding nut 11 can be rotated to fix the position of the corresponding slider 2 7, thereby fixing the position of the movable plate 8.

[0027] like Figure 1 , Figure 3 As shown, a fixing ring 14 is fixedly installed on the output end of the electric telescopic rod 12, and two fixing rings 2 15 are fixedly installed on one side of the extrusion plate 13 close to the electric telescopic rod 12. Bolts 16 are commonly provided inside the two fixing rings 2 15 and the fixing ring 1 14, and nuts 2 17 are threadedly connected on the bolts 16. It should be noted that the angle of the extrusion plate 13 is adjusted according to the inclination of the side of the triangular structure weldment close to the extrusion plate 13. When the extrusion plate 13 rotates, the two fixing rings 2 15 are driven to rotate synchronously. When the extrusion plate 13 is adjusted to a suitable angle, the fixing ring 14 is fixed between the two fixing rings 2 15 by bolts 16 and nuts 2 17, so that the extrusion plate 13 can fit tightly with the triangular structure weldment when extruding the triangular structure weldment.

[0028] like Figure 1 , Figure 4As shown, a groove 18 is provided on the top of the mounting plate 1, and a slide bar 19 is movably installed inside the groove 18. The slide bar 19 is fixedly connected to the electric telescopic rod 12. A strip hole 20 is provided on the side wall of the mounting plate 1. The strip hole 20 is communicated with the inside of the groove 18. A screw rod 21 is provided inside the strip hole 20. The screw rod 21 is fixedly connected to the slide bar 19. A nut 3 22 is threadedly connected to the screw rod 21. It should be noted that the slide bar 19 can be slid in the groove 18 as needed. When the slide bar 19 moves, it can drive the screw rod 21 to move synchronously. When the slide bar 19 slides to a suitable position, the nut 3 22 can be rotated to fix it.

[0029] In summary:

[0030] If it is necessary to clamp a triangular structural weldment with different inner angles, the staff only needs to control the driving component 5 in advance, and use the driving component 5 to make the two C-shaped frames 3 approach or move away from each other. At this time, the two cross rods 4 will be affected by the force and will rotate inside the corresponding C-shaped frame 3 respectively. At the same time, the crossing angle of the two cross rods 4 will also increase or decrease accordingly. When the crossing angle of the two cross rods 4 is the same as one of the inner angles of the triangular structural weldment, it can be stopped, and then the two movable plates 8 are moved respectively. Each movable plate 8 drives the slider 2 7 connected to it to slide inside the corresponding slide groove 2 6, so that the side edges of the two movable plates 8 are in contact, and then the triangular structural weldment to be welded is placed between the two movable plates 8, and the two side surfaces of the triangular structural weldment are respectively fitted with the two movable plates 8, and then the electric telescopic rod 12 is started, and the electric telescopic rod 12 drives the extrusion plate 13 to approach the triangular structural weldment and squeeze it, and then the fixation is completed.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A welding machine tool fixture, comprising a mounting plate (1), the top of which is provided with four mounting holes (2), characterized in that: Two C-shaped frames (3) are arranged on the top of the mounting plate (1), and a rotatable cross rod (4) is movably installed inside each C-shaped frame (3). The two cross rods (4) are rotatably connected in an up-and-down cross manner. A driving assembly (5) for driving the two C-shaped frames (3) to move away from or towards each other is arranged on the top of the mounting plate (1). A sliding groove (6) is provided on the inner wall surface of one end of each cross rod (4) away from the adjacent C-shaped frame (3), and a sliding block (7) is movably installed inside each sliding groove (6). A movable plate (8) is fixedly installed on each sliding block (7). An electric telescopic rod (12) is arranged on the top of the mounting plate (1), and an extrusion plate (13) is arranged at the output end of the electric telescopic rod (12).

2. A welding machine tool fixture according to claim 1, characterized in that: The bottom of each movable plate (8) is tightly fitted with the top of the mounting plate (1), and the top of each movable plate (8) corresponds to the top of the upper cross bar (4).

3. A welding machine tool fixture according to claim 1, characterized in that: The driving assembly (5) comprises a servo motor (501), the servo motor (501) is fixedly mounted on the top of the mounting plate (1), a threaded rod (502) is fixedly mounted on the output end of the servo motor (501), the two ends of the threaded rod (502) have opposite thread directions, the two ends of the threaded rod (502) are respectively threadedly connected with movable blocks (503), a slide groove (504) is provided on the top of the mounting plate (1), a slider (505) is fixedly mounted on the bottom of each movable block (503), and each slider (505) is movably mounted inside the slide groove (504).

4. A welding machine tool fixture according to claim 1, characterized in that: Each of the cross rods (4) is provided with a strip hole (9) on the outer wall surface of one end away from the adjacent C-shaped frame (3), and a screw rod (10) is arranged inside each strip hole (9). Each screw rod (10) is fixedly connected to the adjacent slider (7), and a nut (11) is threadedly connected to each screw rod (10).

5. A welding machine tool fixture according to claim 1, characterized in that: A fixing ring 1 (14) is fixedly installed at the output end of the electric telescopic rod (12), and two fixing rings 2 (15) are fixedly installed on one side of the extrusion plate (13) close to the electric telescopic rod (12). Bolts (16) are commonly arranged inside the two fixing rings 2 (15) and the fixing ring 1 (14), and nuts 2 (17) are threadedly connected to the bolts (16).

6. A welding machine tool fixture according to claim 1, characterized in that: The top of the mounting plate (1) is provided with a groove (18), a slide bar (19) is movably installed inside the groove (18), and the slide bar (19) is fixedly connected to the electric telescopic rod (12). The side wall surface of the mounting plate (1) is provided with a second strip hole (20), the second strip hole (20) is connected to the inside of the groove (18), a second screw rod (21) is arranged inside the second strip hole (20), the second screw rod (21) is fixedly connected to the slide bar (19), and a third nut (22) is threadedly connected to the second screw rod (21).

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